Yes, Crucial UK does offer free returns and exchanges for items purchased on their website. You can see more details of their returns policy here.
You might also check out Crucial UK's homepage for additional pages with information on returns and exchanges.

You can check this page for more information about Crucial UK's veteran discounts and offers.
You might also check out their homepage to see if they've posted any additional information about their military discounts. You can also subscribe to their email newsletter, as some stores will send special...